Home / 98,935.56-148,347.84-42,740.58

Finding the Fourth Proportional to 98,935.56, 148,347.84 and 42,740.58

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Solution

The fourth proportional to 98,935.56, 148,347.84 and 42,740.58 is: 64,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935.56 : 148,347.84 = 42,740.58 : x
  2. Step 2: Convert to fraction form
    98,935.56/148,347.84 = 42,740.58/x
  3. Step 3: Cross multiply
    98,935.56x = 148,347.84 × 42,740.58
  4. Step 4: Simplify right side
    98,935.56x = 6,340,472,723.35
  5. Step 5: Solve for x
    x = 6,340,472,723.35/98,935.56
  6. Step 6: Final answer
    x = 64,086.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.